Q. What is the preferred regenerant in case of anion exchanger?

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Q. For obtaining Silica<5 ppm which of these should be utilized?

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Q. Amberjet 4400 has a total capacity of ________ in the chlorine form.

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Q. What is the percentage of swelling between the chlorine and the hydroxide forms?

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Q. The number of active groups in a resin sample fluctuates.

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Q. ______ is the value of the sieve opening through which exactly 50 % of the resin volume passes.

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Q. Mean diameter is also called as ______

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Q. What is the percentage of resin volume considered for the mean diameter?

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Q. What is the percentage of resin sample that is considered for effective size?

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Q. Total capacity is the number of exchangeable bi-valent ions.

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Q. ______ is the number of sites where exchange actually takes place during one cycle.

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Q. Which of these is not a result of high moisture content?

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Q. Which of these is not a result of low moisture content?

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Q. What is the SAC resin made up of?

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Q. In a SAC resin, what is the preferred cross linking?

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Q. What is the WAC resin made up of?

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Q. Which type of character does the strong basic acid type I have?

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Q. Which type of character does the strong basic acid type II have?

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Q. For which type of pollutant contained in water the macro porous type of weak basic acid is used?

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Q. Which of these is not a characteristic for coarse particle sized resins?

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